Title 14. RESPIRATION IN PLANTS.pdf ✅

14. RESPIRATION IN PLANTS 1. Conversion of pyruvic acid into lactic acid depends upon (a) Absence of oxygen (b) Presence of NAD (c) Presence of enzymes (d) None of the above 2. During anaerobic conditions, the rate of glycolysis increases is called as (a) Compensation point (b) Extinction point (c) Warburg effect (d) Pasteur effect 3. Who discovered the process of fermentation (a) Jones (b) Pasteur (c) Buchner (d) Krebs 4. Which of the following process may be toxic to plants (a) Photolysis of water (b) Photosynthesis (c) Aerobic respiration (d) Anaerobic respiration 5. A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of CO2 it has expelled to its atmosphere (a) 0.3 tonne (b) 0.7 tonne (c) 1 tonne (d) 0 tonne 6. The incomplete breakdown of sugars in anaerobic respiration results in the formation of (a) Fructose and water (b) Glucose and CO2 (c) Alcohol and CO2 (d) Water and CO2 7. Which of the following plant is widely accepted to respire in absence of oxygen (a) Yeast (b) Potato (c) Chlorella (d) Grass 8. Alcohol is produced during the process of (a) Aerobic respiration (b) Anaerobic respiration (c) Photosynthesis (d) None of the above 9. When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is (a) Loss of 3 ATP molecules (b) Loss of 6 ATP molecules (c) Gain of 2 ATP molecules (d) Gain of 4 ATP molecules 10. The end products of fermentation when sugars are used as raw material (a) Alcohol and acetic acid (b) CO2 (c) Alcohol and CO2 (d) Alcohol 11. Fermentation is (a) Anaerobic respiration (b) Incomplete oxidation of carbohydrates (c) Complete oxidation of carbohydrates (d) None of the above 12. Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes (a) Carboxylase